<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            height: 175px;
         position: relative;
        }

        .dl {
            width: 154px;
            height: 121px;

            position: absolute;
            left: 0;
            bottom: 0;
            background: url(img/txgc_6d0e9e5.png) no-repeat;
            animation:play01 .4s steps(2) infinite,move 15s linear infinite ;
        }
        @keyframes play01{
            0%{
                background-position:0 0 ;
            }
            100%{
                background-position: -308px 0;
            }
        }
        @keyframes move {
            0%{
                transform: translate(-200px, 0);
            }
            100%{
                transform: translate(1920px ,0);
            }
        }
    </style>
</head>

<body>
    <div class="box">
        <div class="dl">

        </div>
    </div>
</body>

</html>